Brand: Doro
Category: Mobile Phone
Document Type:
Language: EN
Manual for Doro 6820
Uploaded: Aug. 10, 2025, 12:10 a.m.
GET STARTED
1.1. Unbox your new phone
The first step is to unbox the phone and assess the items and equipment included in the delivery. Make sure to read through the manual so you can familiarize yourself with the equipment and the basic functions.Insert the memory card, SIM card and battery
Turn off the phone and disconnect the charger before removing the battery cover. Insert the micro SIM or USIM card provided by the mobile service provider. Make sure that the SIM card's contacts are facing inwards and that the cut off corner is as shown. You may optionally install a memory card in the phone to increase the storage space. Insert the battery by sliding it into the battery compartment with the contacts facing upwards to the left.1.2. Charge
While it's possible that your phone will already come with enough charge to be powered on right out of the box, we recommend to give it a full charge before first use.1.3. Save energy
When the battery is fully charged, disconnect the charger from the device and unplug the charger from the wall socket. To save power the screen goes off after a while. Press any button to wake the screen up.1.4. Turn the phone on and off
Press and hold the red button on the phone to turn it on/off. Confirm with Yes to power off.Troubleshooting and error codes
| Problem | Possible cause | Solution |
|---|---|---|
| Problem | Possible cause | Solution |
| No power/Cannot turn on | Battery is empty. | Connect the charger and charge the battery. If the battery is completely empty, it may take a few minutes before the charging indicator appears. |
| Battery does not charge | Battery is not installed correctly. | Check that the battery is installed correctly. |
| Phone does not turn on | The SIM card is not inserted. | Insert the SIM card. |
| Phone does not turn on | The charger is not connected. | Connect the charger. |
| Cannot make calls | SIM card is not inserted or is invalid. | Insert the SIM card. Contact your service provider. |
| Cannot make calls | The number is blocked by the network. | Contact your service provider. |
| Cannot make calls | The phone is not connected to the network. | Check that the phone is in an area with network coverage. The signal strength is shown on the display. |
| No sound | Volume is set to silent or low. | Increase the volume. |
| Cannot find contacts | Contacts are not stored in the phone. | Store contacts in the phone. |
| Cannot receive messages | The message centre number is incorrect. | Contact your service provider. |
| The phone freezes or does not respond | Temporary software error. | Restart the phone. Press and hold the red button to turn off the phone, then press and hold the red button to turn on the phone. |